Beispiel #1
0
        public int AddCustomRectFontGlyph(ImFontPtr font, ushort id, int width, int height, float advance_x, Vector2 offset)
        {
            ImFont *native_font = font.NativePtr;
            int     ret         = ImGuiNative.ImFontAtlas_AddCustomRectFontGlyph(NativePtr, native_font, id, width, height, advance_x, offset);

            return(ret);
        }
Beispiel #2
0
        public void AddText(ImFontPtr font, float font_size, Vector2 pos, uint col, ReadOnlySpan <char> text_begin)
        {
            var native_text_begin = default(byte *);
            var native_text_end   = default(byte *);
            var byte_count        = 0;

            var native_font        = font.NativePtr;
            var wrap_width         = 0.0f;
            var cpu_fine_clip_rect = default(Vector4 *);

            if (!text_begin.IsEmpty)
            {
                byte_count = Util.CalcSizeInUtf8(text_begin, 0, text_begin.Length);
                if (byte_count > Util.StackAllocationSizeLimit)
                {
                    native_text_begin = Util.Allocate(byte_count + 1);
                }
                else
                {
                    var buffer = stackalloc byte[byte_count + 1];
                    native_text_begin = buffer;
                }

                var offset = Util.GetUtf8(text_begin, native_text_begin, byte_count);

                native_text_end = &native_text_begin[offset];
                *native_text_end = 0;
            }
            else
            {
                var buffer = stackalloc byte[1];
                native_text_begin = buffer;
            }

            ImGuiNative.ImDrawList_AddTextFontPtr(this.NativePtr, native_font, font_size, pos, col, native_text_begin, native_text_end, wrap_width, cpu_fine_clip_rect);

            if (byte_count > Util.StackAllocationSizeLimit)
            {
                Util.Free(native_text_begin);
            }

            //var native_font = font.NativePtr;
            //var text_begin_byteCount = Encoding.UTF8.GetByteCount(text_begin);
            //var native_text_begin = stackalloc byte[text_begin_byteCount + 1];
            //fixed (char* text_begin_ptr = text_begin)
            //{
            //	var native_text_begin_offset = Encoding.UTF8.GetBytes(text_begin_ptr, text_begin.Length, native_text_begin, text_begin_byteCount);
            //	native_text_begin[native_text_begin_offset] = 0;
            //}
            //byte* native_text_end = null;
            //var wrap_width = 0.0f;
            //Vector4* cpu_fine_clip_rect = null;
            //ImGuiNative.ImDrawList_AddTextFontPtr(this.NativePtr, native_font, font_size, pos, col, native_text_begin, native_text_end, wrap_width, cpu_fine_clip_rect);
        }
Beispiel #3
0
        public void AddText(ImFontPtr font, float font_size, Vector2 pos, uint col, string text_begin, float wrap_width, Vector4 clip_rect)
        {
            ImFont *native_font          = font.NativePtr;
            int     text_begin_byteCount = Encoding.UTF8.GetByteCount(text_begin);
            byte *  native_text_begin    = stackalloc byte[text_begin_byteCount + 1];

            fixed(char *text_begin_ptr = text_begin)
            {
                int native_text_begin_offset = Encoding.UTF8.GetBytes(text_begin_ptr, text_begin.Length, native_text_begin, text_begin_byteCount);

                native_text_begin[native_text_begin_offset] = 0;
            }

            byte *   native_text_end    = null;
            Vector4 *cpu_fine_clip_rect = &clip_rect;

            ImGuiNative.ImDrawList_AddTextFontPtr(NativePtr, native_font, font_size, pos, col, native_text_begin, native_text_end, wrap_width, cpu_fine_clip_rect);
        }
Beispiel #4
0
        /// <summary>
        /// Constructs a new ImGuiController.
        /// </summary>
        public ImGuiController(GraphicsDevice gd, OutputDescription outputDescription, int width, int height)
        {
            _gd           = gd;
            _windowWidth  = width;
            _windowHeight = height;

            IntPtr context = ImGui.CreateContext();

            ImGui.SetCurrentContext(context);
            var      io = ImGui.GetIO();
            ImVector ranges;

            unsafe
            {
                var rangesBuilder = new ImFontGlyphRangesBuilderPtr(ImGuiNative.ImFontGlyphRangesBuilder_ImFontGlyphRangesBuilder());
                rangesBuilder.AddRanges(io.Fonts.GetGlyphRangesJapanese());
                rangesBuilder.AddRanges(io.Fonts.GetGlyphRangesChineseFull());
                ushort[] extraCharsRange =
                {
                    0x25A0, 0x25FF, // geometric shapes,
                    0x2000, 0x206F, // general punctuation
                    0xFF00, 0xFFEF, // halfwidth and fullwidth forms
                    0x2600, 0x26FF, // misc symbols
                    0x2190, 0x21FF, // arrows
                    0
                };
                fixed(ushort *extraCharsRangePtr = extraCharsRange)
                {
                    rangesBuilder.AddRanges((IntPtr)extraCharsRangePtr);
                    rangesBuilder.BuildRanges(out ranges);
                }
            }
            ImFontPtr font = io.Fonts.AddFontFromFileTTF("../../../NotoSansCJKjp-Medium.otf", 24.0f, null, ranges.Data);

            CreateDeviceResources(gd, outputDescription);
            SetKeyMappings();

            SetPerFrameImGuiData(1f / 60f);

            ImGui.NewFrame();
            _frameBegun = true;
        }